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Life Science 7
Characteristics of Life
Question | Answer |
---|---|
What are the 7 characteristics of life? | Movement, Growth, Metabolism, Response to Stimulus, Adaptation, Reproduction, Presence of one or more cells. |
What is internal movement? | Movement within the body. Ex. Heartbeating |
What is External movement? | Movement from place to place. Ex. Walking |
What is Metabolism? | The sum total of all chemical reactions in an organism that use or release energy. |
Define Stimulus. | A change in the environment. |
What is Asexual Reproduction? | The creation of new organism from one parent. |
What is Sexual Reproduction? | The creation of a new organism from two parents (or sex cells). |
How many cells are all organisms made up of? | 1 or more. |
What is an alarm clock going off an example of? | A Stimulus |
What is adaptation? | The ability to survive in an environment. |
What is an increase in size? | Growth |
What are some adaptations of a polar bear? | Thick layer of fur; Long sharp claws to walk on ice and to pull heavy seals out of the water; sharp teeth to kill prey. |
Why is a hurricane not considered a living thing? | It lacks a presence of 1 or more cells. |